Pressure-volume-loop-guided closure of an iatrogenic atrial septal defect for right heart failure following MitraClip™-implantation

The potential clinical and physiological consequences of iatrogenic atrial septal defect (iASD) following MitraClip™-implantation are currently subject to controversial debates. In this setting, the presence of an iASD has been linked to worse clinical outcome and even increased mortality. In contrast, others have demonstrated that an iASD can lower left …